A typical action potential of a myocardial contractile cell lasts ________ millisecond(s) .
A) less than 1
B) 1-5
C) 50-100
D) at least 200
E) at least 500
Correct Answer:
Verified
Q32: The fibrous skeleton of the heart is
Q33: Myocardial cells can generate action potentials spontaneously
Q34: In the condition known as complete heart
Q35: If channels are permeable to
A) Na⁺ only.
B)
Q36: The action potentials of myocardial autorhythmic cells,
Q38: Electrical shock to the heart is usually
Q39: The flattening of the action potentials of
Q40: During the plateau phase of the action
Q41: During the isovolumic phase of ventricular systole,
A)
Q42: The QRS complex of an ECG corresponds
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